/**
 *Copyright [2010] [lcj(caijunlu@gmail.com)]
 *Licensed under the Apache License, Version 2.0 (the "License");
 *you may not use this file except in compliance with the License. 
 *You may obtain a copy of the License at 
 *             http://www.apache.org/licenses/LICENSE-2.0 
 *Unless required by applicable law or agreed to in writing, 
 *software distributed under the License is distributed on an "AS IS" BASIS, 
 *WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, 
 *either express or implied. See the License for the specific language governing permissions and limitations under the License
 */
package org.independent.servlet.session.util;

/**
 * @author lcj
 * 
 */
public class StringUtil {

	final static public boolean isBlank(final String str) {
		if (str == null || "".equals(str.trim())) {
			return true;
		}
		return false;
	}
}
